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9PRODUCTNEWSConExpo2014MAJORKOMATSUTIER4BUILDOUTCONTINUESWWelcometothesecondinaseriesofarticlesintroducingKomatsusnewTier4machinesunveiledatConExpo2014.PC240LC-11HydraulicExcavatorTheTier4PC240Dash11engineoffersbetterfuelefficiencywithnolossofperformanceoverpreviousmodelsanditsimprovedserviceabilitywillresultinloweroperatingcosts.TheexcavatorshydraulicsystemhasbeenenhancedtoreducehydrauliclossandVariableSpeedMatchingallowsthemachinesspeedtoadjustbasedonhydraulicpumpoutputforbothlight-andheavy-dutyapplications.ThismachinealsofeaturesKomatsusenhancedKOMTRAXsystemwhichnowmonitorsAdBlueDEFlevelsandcanreportkeyoperatinginformationformultipleoperators.AnewAutoIdleShutdownfunctionhelpstoimproveoperatingcostsbylimit-ingunnecessaryidletimewhichaddsweartothemachineandwastescostlyfuel.Komatsualsomadechangestoimproveserviceaccessincludingaddingguardrailsonbothsidesoftheupperstructureforthesafetyofservicepersonnel.Theradiatorandhydraulicoilcooleraremountedsidebysideforserviceconvenience.D65-18CrawlerDozersKomatsusnewD65crawlerdozershaveamorepowerful217nethpTier4Finalenginethatgivesexcellentperformancewhilereducingfuelconsumptionandoperatingcosts.Thenewautomatictransmissionwithlockuptorqueconverterautomaticallytransfersenginepowerdirectlytothetransmissionincreasingefficiencyandcuttingfuelusebyupto10percent.Thedozerisavailableinstandardlow-groundpressureandwide-trackD65EXD65PXandD65WX-18models.ThestandardbladeontheD65istheSigmadozerbladewhichdramaticallyimprovesdozingperfor-mancebydiggingandrollingmaterialupatthecenterofthebladeincreasingsoil-holdingcapacityandreducingsidewayspillage.TheSigmadozerincreasesproductivitybyupto15percentoverconventionalsemi-Ublades.Asix-wayPowerAngleTiltbladeisalsoavailableforallmodels.Operatorscanchoosegearshiftandworkingmodestomatchthemachineperformancetotheapplication